Improvement in post-hole diggers



tniil Sentier @sind diffu-r,

Lettere Parent Ne. 111,757, desea February 14, 1871.

IMPROVEMENT IN POST-HOLE DIGGERS.

The' Schedule referred to ln these Letters Patent and making part of the same.

To all whom fit may concernl Be it known that I, AARON E. LrNDsLEY, ol" Paw-L Paw, in the county oi' Van Buren and State of Michigan, have invented a new and improved 'Post-hole Digger; and-I do hereby declare that the following is a full, clear, and exact description thereof, which will enable others skilled in the'art to make and use the saule, reference being had to the accompanying drawing forming part of this specification, in which-- Figure 1 represents a side viewof my improved posthole digger.

Figure 2 is a sectional side view of the saine.

Similar letters of reference indicate corresponding parts.

This invention relates to a new instrument for digging the holes for fence-posts and other purposes,

and consists in the application ot' a circular cutter and vertically adjustable clamping-block, by which the earth or sand is secured in the tubular case on which the cutter is formed.

'ment into the ground. Instead of being of tubular Vform the case BcanA be made ofprismat-ic Aor other suitable shape, according to the shape of hole to be made.

vC is a block, of inverted, conicahor other suitable shape, secured to avertical bar, b, which is guided in earso c, that project from the shank A.

A The bar 11 has a notch or catch, d, which, by snapfp'ihg over one of the ears, c, serves to sustain the block C in the elevated position.

A spring, c, crowds the bar b away from the shank and serves to fit the catch d over the car.

A shoulder, f, on the bar detines the extent ot' its downward motion.

lVhen the instrument is to be applied the block C is elevated, as by dotted lines in tig. 2.

The case B is forced into the ground to the desired depth;` then the block is let down to lock the sand or earth which is within the case B. A

A slight turn of the instrument will loosen the sand in the case from its hold, and will perxnit the elevation of the whole apparatus together with all the sand or earth contained in it. i

TheblockC will secure the sand so iirmlygthat it will remain in the tube while the same'is beingele-l vated,even it' the sand should be quite loose'.

Having thus described my invention,

l claim as new and desire to secure by Letters latent- The post-hole digger, herein described, consisting ofv a handle, A, cutting-tube B, and conical compresser O, vertically adjustable, by means ot' a rod, b, passing through guides, for the purpose ofcondensing and retaining the earth -or sand within the tube B, substantially as specified.

' AARON E. LINDSLEY.

- Witnesses:

IRVING A. WHITMAN, L. K. DIBBLE. 

